Patents by Inventor W. John Carr, Jr.

W. John Carr, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Uni-directional viewing system
    Patent number: 3944336
    Abstract: A uni-directional viewing system with an obliquely disposed mirror defining a beam splitter for partial reflection and partial transmission of a light beam that is generated by a source and having an absorber disposed at one side of the mirror for absorbing the beam that is transmitted through the mirror. The reflected beam is directed towards a viewing port, which is disposed at the other side of the mirror. An eye port, which is disposed on the absorber side of the mirror, is provided for observing a subject at the viewing port. The observed subject views only the image of the source and the observer views the observed subject.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: March 16, 1976
    Assignee: Electron Optics Corporation
    Inventor: W. John Carr, Jr.